solismaris wrote:
Gjac wrote:
The two main reasons why bond lines fail is contamination and moisture. Acetone is an aggressive solvent you wiped it 4 times and it stuck to the Al well so I would think moisture caused the failure. Relative humidity and dew point are things we don't think too much about when making repairs outside on our RV's.
So I'm going with this theory, and will probably try the job again, on a warm sunny dry day (does anybody remember those?!). I'll post results - but on a new thread because it will probably be much later.
The only part that is still bothering me is why it worked on the metal, and also the front/roof junction. Maybe the explanation is:
- The rubber, unlike the metal, could absorb and retain moisture, which then comes to the surface after I have dried it.
- The front/roof junction was frost-free when I started, so there was no moisture retained to come back out.
OR. As I said earlier white chalky residue. I had to clean mine 6 times to get the white residue off.